Onkyo TX-SR602, Руководство по обслуживанию

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CONFIDENTIAL
Technical Tip
18 Park Way, Upper Saddle River, NJ 07458
Date:
January 3, 2006
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Model:
TX-SR602/SR702 can be use other Receive
Subject:
Unit Displays “Auto Speaker Setup” and locks up.
Symptom:
The unit displays “Auto Speaker Setup and locks up. There is no sound and
you cannot exit the Menu Screen.
Solution:
No +7V to Front panel, +7 volt regulator Q303 found to be overheating and
+7V on pin 19 of the Selector IC Q302 was shorted. Replaced regulator IC Q303 and
Selector IC Q302 and normal operation was restored. Tip submitted by R. Jackson of
Goodman TV, Addison, TX.
Check all voltage on Amp. power board and DSP board. Repair low voltage you fix the problem.
Parts:
Ref# Description Part Number
Q302 NJW1157B 22242193R3
Q303 78L07 222780073R2